Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 109 - 112 of 136

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Question number: 109

» Biology » Micro-Organisms

MCQ▾

Question

Which feature of some species of blue-green algae helps to promote them as bio-fertilizers?

Choices

Choice (4) Response

a.

They convert atmospheric methane into ammonia which the crop plant can absorb readily

b.

They induce the crop plant to produce the enzymes which help to convert atmospheric nitrogen to nitrate

c.

They have a mechanism to convert atmospheric nitrogen into form that the crop plants can absorb readily

d.

They induce the roots of the crop plants to absorb the soil nitrates in large quantities

Question number: 110

» Biology » Plant and Animal Nutrition

MCQ▾

Question

Self-pollination is called as

Choices

Choice (4) Response

a.

Transference of pollens from one flower to another on the same plant

b.

Presence of male and female sex organs

c.

Transference of pollens from anthers to the stigma with in the same flower

d.

Germination of pollen with in the anther

Question number: 111

» Biology » Some Common Diseases

MCQ▾

Question

Two Australians made a discovery that a bacterium which was responsible for peptic ulcers is

Choices

Choice (4) Response

a.

Cow pox virus

b.

Staphylocci

c.

Trypanosoma

d.

Helicobacter pylori

Question number: 112

» Biology » Diversity in Living Organisms

MCQ▾

Question

Which one of the following processes in the bodies of living organism is a digestive process?

Choices

Choice (4) Response

a.

Breakdown of protein into amino acids

b.

Conversion of glucose into glycogen

c.

Breakdown of glucose into CO2 and H2O

d.

Conversion of amino acids into proteins

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